Upgrading will usually cost more than it will bring, but it all depends on what your current bike is, and what you want to do with it.
A hyper is better
Go for the ipod touch 4g. It is faster than the bmx.
m opinion, the eastern.
get a 14-16 inch frame rest stock and upgrade as you go
One can buy a custom BMX bike in Las Vegas from a few stores. One can get a BMX custom made from 'Just BMX', 'Bolder BMX', 'Bike World' and 'Vegas Bike Store'.
If you jumped that bike it would crack.
A BMX bike is good for both boys and girls, as long as they want to do BMX-style riding, with jumps, tricks and that. If you don't want that, there are several bike types that are better, more comfortable, and more efficient for general riding-around type of use.
It depends what you can afford and which you will use more.
no but you can get a dirt bike or a cruiser bike or a speed bike but i havnt seen a bmx bike yet.
The type of bike that is mostly used form BMX riding are the purpose-built BMX bikes.
The bmx thruster rampage bike is a exellent bike
A street bike is a type of BMX bike, so your question can't be answered.